My Cat...my Boy

Ichinose Ayuri, a girl who takes care of a black stray cat that suddenly turned into a handsome boy that she named Kuro. Kuro was cursed by a witch after he left their home because of family problems. But the curse wasn't a fully curse. Kuro can turn into a human when night time comes. A cat in the morning and a human in the evening. You could say he is a half. Kuro can also turn himself into a human by his own even night time doesn't come if Ayuri ring his bell. Living under the same roof with him..cause Ayuri to have deep feelings for him..little by little,also goes the same for Kuro...will their feelings be connected or will Kuro just stay as a cat forever?